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Diagnostic quiz: basal cell carcinomas


A 35-year-old White male is referred from his dermatologist to a Mohs surgeon for removal of 2 basal cell carcinomas (BBCs)—1 from his nose, and the second from his eyelid. In the last 15 years, the patient has had 3 BCCS removed from his body, including 1 before the age of 25. Upon performing an examination, the Mohs surgeon identifies multiple palmar pits (>2) on each hand. Visible scarring from cleft lip surgery is also present. As the patient was adopted, he is unsure of his biological parents’ health history.

Based on these features, the Mohs surgeon refers the patient to a genetic counselor to confirm a diagnosis.

What is the diagnosis?
Select the correct answer

*Expert author(s), speaker(s) or contributor(s) where indicated are paid Galderma consultants.

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